Fiber Reinforced Polymer (FRP) as an external reinforcement is used extensively to deal with the strength requirements related to flexure and shear in structural systems. But the strengthening of members subjected to torsion is explored only recently. Torsion failure is an undesirable brittle form of failure which should be avoided specially in the earthquake prone areas. In the present work, the behavior and performance of rectangular reinforced concrete beams strengthened with externally bonded Fiber Reinforced Polymer (FRP) fabrics subjected to combined flexure and torsion is studied experimentally. Three sets of concrete cylinders were tested for their ultimate strengths. In SET I three concrete cylindersF1 Without wrap FRP, F2 Single wrap FRP, F3 Double wrap FRP (F1, F2 and F3) are tested. In SET II three concrete cylinders S1Without wrap FRP, S2 Single wrap FRP, S3 Double wrap FRP (S1, S2 and S3) are tested. In SETIII three concrete cylinders R1 Without wrap FRP, R2 Single wrap FRP, R3 Double wrap FRP (R1, R2 and R3) are tested. The concrete cylinders F1, S1 and R1 were taken as the control concrete cylinders.
Fiber Reinforced, Polymer, flexure, concrete, beams, shear, compared
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